drm/nouveau/core: increase maximum number of nvdec instances to 3

RTX2070 appears to have 3 copies of the engine.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2018-12-11 14:50:02 +10:00
commit 2d583ade74
3 changed files with 7 additions and 3 deletions